xref: /OK3568_Linux_fs/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_serdes.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2014 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/arch/fsl_serdes.h>
9*4882a593Smuzhiyun #include <asm/arch/immap_ls102xa.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
12*4882a593Smuzhiyun 	[0x00] = {PCIE1, PCIE1, PCIE1, PCIE1},
13*4882a593Smuzhiyun 	[0x10] = {PCIE1, SATA1, PCIE2, PCIE2},
14*4882a593Smuzhiyun 	[0x20] = {PCIE1, SGMII_TSEC1, PCIE2, SGMII_TSEC2},
15*4882a593Smuzhiyun 	[0x30] = {PCIE1, SATA1, SGMII_TSEC1, SGMII_TSEC2},
16*4882a593Smuzhiyun 	[0x40] = {PCIE1, PCIE1, SATA1, SGMII_TSEC2},
17*4882a593Smuzhiyun 	[0x50] = {PCIE1, PCIE1, PCIE2, SGMII_TSEC2},
18*4882a593Smuzhiyun 	[0x60] = {PCIE1, PCIE1, SGMII_TSEC1, SGMII_TSEC2},
19*4882a593Smuzhiyun 	[0x70] = {PCIE1, SATA1, PCIE2, SGMII_TSEC2},
20*4882a593Smuzhiyun 	[0x80] = {PCIE2, PCIE2, PCIE2, PCIE2},
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
serdes_get_prtcl(int serdes,int cfg,int lane)23*4882a593Smuzhiyun enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	return serdes_cfg_tbl[cfg][lane];
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun 
is_serdes_prtcl_valid(int serdes,u32 prtcl)28*4882a593Smuzhiyun int is_serdes_prtcl_valid(int serdes, u32 prtcl)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun 	int i;
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
33*4882a593Smuzhiyun 		return 0;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	for (i = 0; i < SRDS_MAX_LANES; i++) {
36*4882a593Smuzhiyun 		if (serdes_cfg_tbl[prtcl][i] != NONE)
37*4882a593Smuzhiyun 			return 1;
38*4882a593Smuzhiyun 	}
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun 	return 0;
41*4882a593Smuzhiyun }
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